MB-3244 - Create all the tables within a single transaction.
MB-3244 - Create all the tables within a single transaction.

We found that it takes 10-15 sec on Linux (60-90 sec on Windows) to
create 1024 - 4096 tables to support a table per vbucket.
This reduces the database init time significantly by creating all
the tables in a single transaction.

Change-Id: I32f517023789b7a4c038fb0e4c2b9fc9ff081c7b
Reviewed-on: http://review.membase.org/4203
Tested-by: Dustin Sallings <1c08efb9b3965701be9d700d9a6f481f1ffec3ea@spy.net>
Reviewed-by: Dustin Sallings <1c08efb9b3965701be9d700d9a6f481f1ffec3ea@spy.net>

zbase/ep-engine,abhinavdangeti/ep-engine,daverigby/ep-engine,sriganes/ep-engine,owendCB/ep-engine,couchbase/ep-engine,daverigby/kv_engine,hisundar/ep-engine,owendCB/ep-engine,abhinavdangeti/ep-engine,teligent-ru/ep-engine,couchbaselabs/ep-engine,hisundar/ep-engine,daverigby/kv_engine,couchbaselabs/ep-engine,daverigby/kv_engine,hisundar/ep-engine,sriganes/ep-engine,zbase/ep-engine,abhinavdangeti/ep-engine,sriganes/ep-engine,daverigby/ep-engine,abhinavdangeti/ep-engine,owendCB/ep-engine,sriganes/ep-engine,teligent-ru/ep-engine,membase/ep-engine,couchbase/ep-engine,zbase/ep-engine,membase/ep-engine,couchbase/ep-engine,couchbaselabs/ep-engine,zbase/ep-engine,couchbaselabs/ep-engine,teligent-ru/ep-engine,jimwwalker/ep-engine,daverigby/ep-engine,jimwwalker/ep-engine,teligent-ru/ep-engine,membase/ep-engine,daverigby/kv_engine,couchbase/ep-engine,jimwwalker/ep-engine,daverigby/ep-engine,owendCB/ep-engine,hisundar/ep-engine,zbase/ep-engine,abhinavdangeti/ep-engine,jimwwalker/ep-engine,membase/ep-engine,couchbaselabs/ep-engine